771 lines
22 KiB
Lua
771 lines
22 KiB
Lua
-- mod-version:3 -- lite-xl 2.1
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local core = require "core"
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local common = require "core.common"
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local command = require "core.command"
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local config = require "core.config"
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local keymap = require "core.keymap"
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local style = require "core.style"
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local View = require "core.view"
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local ContextMenu = require "core.contextmenu"
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local RootView = require "core.rootview"
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local CommandView = require "core.commandview"
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config.plugins.treeview = common.merge({
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-- Default treeview width
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size = 200 * SCALE
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}, config.plugins.treeview)
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local tooltip_offset = style.font:get_height()
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local tooltip_border = 1
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local tooltip_delay = 0.5
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local tooltip_alpha = 255
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local tooltip_alpha_rate = 1
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local function get_depth(filename)
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local n = 1
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for sep in filename:gmatch("[\\/]") do
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n = n + 1
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end
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return n
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end
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local function replace_alpha(color, alpha)
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local r, g, b = table.unpack(color)
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return { r, g, b, alpha }
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end
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local TreeView = View:extend()
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function TreeView:new()
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TreeView.super.new(self)
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self.scrollable = true
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self.visible = true
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self.init_size = true
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self.target_size = config.plugins.treeview.size
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self.cache = {}
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self.tooltip = { x = 0, y = 0, begin = 0, alpha = 0 }
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self.cursor_pos = { x = 0, y = 0 }
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self.item_icon_width = 0
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self.item_text_spacing = 0
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self:add_core_hooks()
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end
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function TreeView:add_core_hooks()
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-- When a file or directory is deleted we delete the corresponding cache entry
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-- because if the entry is recreated we may use wrong information from cache.
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local on_delete = core.on_dirmonitor_delete
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core.on_dirmonitor_delete = function(dir, filepath)
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local cache = self.cache[dir.name]
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if cache then cache[filepath] = nil end
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on_delete(dir, filepath)
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end
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end
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function TreeView:set_target_size(axis, value)
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if axis == "x" then
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self.target_size = value
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return true
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end
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end
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function TreeView:get_cached(dir, item, dirname)
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local dir_cache = self.cache[dirname]
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if not dir_cache then
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dir_cache = {}
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self.cache[dirname] = dir_cache
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end
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-- to discriminate top directories from regular files or subdirectories
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-- we add ':' at the end of the top directories' filename. it will be
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-- used only to identify the entry into the cache.
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local cache_name = item.filename .. (item.topdir and ":" or "")
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local t = dir_cache[cache_name]
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if not t then
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t = {}
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local basename = common.basename(item.filename)
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if item.topdir then
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t.filename = basename
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t.expanded = true
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t.depth = 0
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t.abs_filename = dirname
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else
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t.filename = item.filename
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t.depth = get_depth(item.filename)
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t.abs_filename = dirname .. PATHSEP .. item.filename
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end
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t.name = basename
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t.type = item.type
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t.dir_name = dir.name -- points to top level "dir" item
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dir_cache[cache_name] = t
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end
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return t
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end
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function TreeView:get_name()
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return nil
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end
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function TreeView:get_item_height()
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return style.font:get_height() + style.padding.y
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end
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function TreeView:invalidate_cache(dirname)
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for _, v in pairs(self.cache[dirname]) do
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v.skip = nil
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end
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end
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function TreeView:check_cache()
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for i = 1, #core.project_directories do
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local dir = core.project_directories[i]
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-- invalidate cache's skip values if directory is declared dirty
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if dir.is_dirty and self.cache[dir.name] then
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self:invalidate_cache(dir.name)
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end
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dir.is_dirty = false
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end
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end
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function TreeView:each_item()
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return coroutine.wrap(function()
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self:check_cache()
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local count_lines = 0
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local ox, oy = self:get_content_offset()
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local y = oy + style.padding.y
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local w = self.size.x
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local h = self:get_item_height()
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for k = 1, #core.project_directories do
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local dir = core.project_directories[k]
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local dir_cached = self:get_cached(dir, dir.item, dir.name)
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coroutine.yield(dir_cached, ox, y, w, h)
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count_lines = count_lines + 1
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y = y + h
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local i = 1
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while i <= #dir.files and dir_cached.expanded do
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local item = dir.files[i]
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local cached = self:get_cached(dir, item, dir.name)
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coroutine.yield(cached, ox, y, w, h)
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count_lines = count_lines + 1
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y = y + h
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i = i + 1
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if not cached.expanded then
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if cached.skip then
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i = cached.skip
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else
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local depth = cached.depth
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while i <= #dir.files do
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if get_depth(dir.files[i].filename) <= depth then break end
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i = i + 1
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end
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cached.skip = i
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end
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end
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end -- while files
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end -- for directories
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self.count_lines = count_lines
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end)
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end
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function TreeView:set_selection(selection, selection_y)
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self.selected_item = selection
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if selection and selection_y
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and (selection_y <= 0 or selection_y >= self.size.y) then
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local lh = self:get_item_height()
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if selection_y >= self.size.y - lh then
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selection_y = selection_y - self.size.y + lh
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end
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local _, y = self:get_content_offset()
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self.scroll.to.y = selection and (selection_y - y)
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end
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end
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function TreeView:get_text_bounding_box(item, x, y, w, h)
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local icon_width = style.icon_font:get_width("D")
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local xoffset = item.depth * style.padding.x + style.padding.x + icon_width
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x = x + xoffset
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w = style.font:get_width(item.name) + 2 * style.padding.x
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return x, y, w, h
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end
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function TreeView:on_mouse_moved(px, py, ...)
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if not self.visible then return end
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TreeView.super.on_mouse_moved(self, px, py, ...)
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self.cursor_pos.x = px
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self.cursor_pos.y = py
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if self.dragging_scrollbar then
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self.hovered_item = nil
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return
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end
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local item_changed, tooltip_changed
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for item, x,y,w,h in self:each_item() do
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if px > x and py > y and px <= x + w and py <= y + h then
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item_changed = true
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self.hovered_item = item
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x,y,w,h = self:get_text_bounding_box(item, x,y,w,h)
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if px > x and py > y and px <= x + w and py <= y + h then
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tooltip_changed = true
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self.tooltip.x, self.tooltip.y = px, py
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self.tooltip.begin = system.get_time()
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end
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break
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end
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end
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if not item_changed then self.hovered_item = nil end
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if not tooltip_changed then self.tooltip.x, self.tooltip.y = nil, nil end
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end
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function TreeView:update()
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-- update width
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local dest = self.visible and self.target_size or 0
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if self.init_size then
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self.size.x = dest
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self.init_size = false
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else
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self:move_towards(self.size, "x", dest, nil, "treeview")
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end
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if not self.visible then return end
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local duration = system.get_time() - self.tooltip.begin
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if self.hovered_item and self.tooltip.x and duration > tooltip_delay then
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self:move_towards(self.tooltip, "alpha", tooltip_alpha, tooltip_alpha_rate, "treeview")
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else
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self.tooltip.alpha = 0
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end
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self.item_icon_width = style.icon_font:get_width("D")
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self.item_text_spacing = style.icon_font:get_width("f") / 2
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-- this will make sure hovered_item is updated
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-- we don't want events when the thing is scrolling fast
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local dy = math.abs(self.scroll.to.y - self.scroll.y)
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if self.scroll.to.y ~= 0 and dy < self:get_item_height() then
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self:on_mouse_moved(self.cursor_pos.x, self.cursor_pos.y, 0, 0)
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end
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TreeView.super.update(self)
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end
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function TreeView:get_scrollable_size()
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return self.count_lines and self:get_item_height() * (self.count_lines + 1) or math.huge
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end
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function TreeView:draw_tooltip()
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local text = common.home_encode(self.hovered_item.abs_filename)
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local w, h = style.font:get_width(text), style.font:get_height(text)
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local x, y = self.tooltip.x + tooltip_offset, self.tooltip.y + tooltip_offset
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w, h = w + style.padding.x, h + style.padding.y
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if x + w > core.root_view.root_node.size.x then -- check if we can span right
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x = x - w -- span left instead
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end
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local bx, by = x - tooltip_border, y - tooltip_border
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local bw, bh = w + 2 * tooltip_border, h + 2 * tooltip_border
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renderer.draw_rect(bx, by, bw, bh, replace_alpha(style.text, self.tooltip.alpha))
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renderer.draw_rect(x, y, w, h, replace_alpha(style.background2, self.tooltip.alpha))
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common.draw_text(style.font, replace_alpha(style.text, self.tooltip.alpha), text, "center", x, y, w, h)
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end
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function TreeView:get_item_icon(item, active, hovered)
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local character = "f"
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if item.type == "dir" then
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character = item.expanded and "D" or "d"
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end
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local font = style.icon_font
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local color = style.text
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if active or hovered then
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color = style.accent
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end
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return character, font, color
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end
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function TreeView:get_item_text(item, active, hovered)
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local text = item.name
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local font = style.font
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local color = style.text
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if active or hovered then
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color = style.accent
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end
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return text, font, color
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end
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function TreeView:draw_item_text(item, active, hovered, x, y, w, h)
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local item_text, item_font, item_color = self:get_item_text(item, active, hovered)
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common.draw_text(item_font, item_color, item_text, nil, x, y, 0, h)
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end
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function TreeView:draw_item_icon(item, active, hovered, x, y, w, h)
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local icon_char, icon_font, icon_color = self:get_item_icon(item, active, hovered)
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common.draw_text(icon_font, icon_color, icon_char, nil, x, y, 0, h)
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return self.item_icon_width + self.item_text_spacing
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end
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function TreeView:draw_item_body(item, active, hovered, x, y, w, h)
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x = x + self:draw_item_icon(item, active, hovered, x, y, w, h)
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self:draw_item_text(item, active, hovered, x, y, w, h)
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end
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function TreeView:draw_item_chevron(item, active, hovered, x, y, w, h)
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if item.type == "dir" then
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local chevron_icon = item.expanded and "-" or "+"
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local chevron_color = hovered and style.accent or style.text
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common.draw_text(style.icon_font, chevron_color, chevron_icon, nil, x, y, 0, h)
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end
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return style.padding.x
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end
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function TreeView:draw_item_background(item, active, hovered, x, y, w, h)
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if hovered then
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local hover_color = { table.unpack(style.line_highlight) }
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hover_color[4] = 160
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renderer.draw_rect(x, y, w, h, hover_color)
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elseif active then
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renderer.draw_rect(x, y, w, h, style.line_highlight)
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end
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end
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function TreeView:draw_item(item, active, hovered, x, y, w, h)
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self:draw_item_background(item, active, hovered, x, y, w, h)
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x = x + item.depth * style.padding.x + style.padding.x
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x = x + self:draw_item_chevron(item, active, hovered, x, y, w, h)
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self:draw_item_body(item, active, hovered, x, y, w, h)
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end
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function TreeView:draw()
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if not self.visible then return end
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self:draw_background(style.background2)
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local _y, _h = self.position.y, self.size.y
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local doc = core.active_view.doc
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local active_filename = doc and system.absolute_path(doc.filename or "")
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for item, x,y,w,h in self:each_item() do
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if y + h >= _y and y < _y + _h then
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self:draw_item(item,
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item == self.selected_item,
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item == self.hovered_item,
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x, y, w, h)
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end
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end
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self:draw_scrollbar()
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if self.hovered_item and self.tooltip.x and self.tooltip.alpha > 0 then
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core.root_view:defer_draw(self.draw_tooltip, self)
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end
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end
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function TreeView:get_parent(item)
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local parent_path = common.dirname(item.abs_filename)
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if not parent_path then return end
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for it, _, y in self:each_item() do
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if it.abs_filename == parent_path then
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return it, y
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end
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end
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end
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function TreeView:toggle_expand(toggle)
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local item = self.selected_item
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if not item then return end
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if item.type == "dir" then
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if type(toggle) == "boolean" then
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item.expanded = toggle
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else
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item.expanded = not item.expanded
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end
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local hovered_dir = core.project_dir_by_name(item.dir_name)
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if hovered_dir and hovered_dir.files_limit then
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core.update_project_subdir(hovered_dir, item.depth == 0 and "" or item.filename, item.expanded)
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end
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end
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end
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-- init
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local view = TreeView()
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local node = core.root_view:get_active_node()
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local treeview_node = node:split("left", view, {x = true}, true)
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-- The toolbarview plugin is special because it is plugged inside
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-- a treeview pane which is itelf provided in a plugin.
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-- We therefore break the usual plugin's logic that would require each
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-- plugin to be independent of each other. In addition it is not the
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-- plugin module that plug itself in the active node but it is plugged here
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-- in the treeview node.
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local toolbar_view = nil
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local toolbar_plugin, ToolbarView = core.try(require, "plugins.toolbarview")
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if config.plugins.toolbarview ~= false and toolbar_plugin then
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toolbar_view = ToolbarView()
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treeview_node:split("down", toolbar_view, {y = true})
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local min_toolbar_width = toolbar_view:get_min_width()
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view:set_target_size("x", math.max(config.plugins.treeview.size, min_toolbar_width))
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command.add(nil, {
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["toolbar:toggle"] = function()
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toolbar_view:toggle_visible()
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end,
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})
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end
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-- Add a context menu to the treeview
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local menu = ContextMenu()
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local on_view_mouse_pressed = RootView.on_view_mouse_pressed
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local on_mouse_moved = RootView.on_mouse_moved
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local root_view_update = RootView.update
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local root_view_draw = RootView.draw
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function RootView:on_mouse_moved(...)
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if menu:on_mouse_moved(...) then return end
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on_mouse_moved(self, ...)
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end
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function RootView.on_view_mouse_pressed(button, x, y, clicks)
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-- We give the priority to the menu to process mouse pressed events.
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if button == "right" then
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view.tooltip.alpha = 0
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view.tooltip.x, view.tooltip.y = nil, nil
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end
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local handled = menu:on_mouse_pressed(button, x, y, clicks)
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return handled or on_view_mouse_pressed(button, x, y, clicks)
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end
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function RootView:update(...)
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root_view_update(self, ...)
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menu:update()
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end
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function RootView:draw(...)
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root_view_draw(self, ...)
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menu:draw()
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end
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local on_quit_project = core.on_quit_project
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function core.on_quit_project()
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view.cache = {}
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on_quit_project()
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end
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local function is_project_folder(path)
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return core.project_dir == path
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end
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menu:register(function() return view.hovered_item end, {
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{ text = "Open in System", command = "treeview:open-in-system" },
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ContextMenu.DIVIDER
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})
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menu:register(
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function()
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return view.hovered_item
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and not is_project_folder(view.hovered_item.abs_filename)
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end,
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{
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{ text = "Rename", command = "treeview:rename" },
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{ text = "Delete", command = "treeview:delete" },
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}
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)
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menu:register(
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function()
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return view.hovered_item and view.hovered_item.type == "dir"
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end,
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{
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{ text = "New File", command = "treeview:new-file" },
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{ text = "New Folder", command = "treeview:new-folder" },
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}
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)
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local previous_view = nil
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-- Register the TreeView commands and keymap
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|
command.add(nil, {
|
|
["treeview:toggle"] = function()
|
|
view.visible = not view.visible
|
|
end,
|
|
|
|
["treeview:toggle-focus"] = function()
|
|
if not core.active_view:is(TreeView) then
|
|
if core.active_view:is(CommandView) then
|
|
previous_view = core.last_active_view
|
|
else
|
|
previous_view = core.active_view
|
|
end
|
|
if not previous_view then
|
|
previous_view = core.root_view:get_primary_node().active_view
|
|
end
|
|
core.set_active_view(view)
|
|
if not view.selected_item then
|
|
for it, _, y in view:each_item() do
|
|
view:set_selection(it, y)
|
|
break
|
|
end
|
|
end
|
|
|
|
else
|
|
core.set_active_view(
|
|
previous_view or core.root_view:get_primary_node().active_view
|
|
)
|
|
end
|
|
end
|
|
})
|
|
|
|
command.add(TreeView, {
|
|
["treeview:next"] = function()
|
|
local item = view.selected_item
|
|
local item_y
|
|
local stop = false
|
|
for it, _, y in view:each_item() do
|
|
if item == it then
|
|
stop = true
|
|
elseif stop then
|
|
item = it
|
|
item_y = y
|
|
break
|
|
end
|
|
end
|
|
|
|
view:set_selection(item, item_y)
|
|
end,
|
|
|
|
["treeview:previous"] = function()
|
|
local last_item
|
|
local last_item_y
|
|
for it, _, y in view:each_item() do
|
|
if it == view.selected_item then
|
|
if not last_item then
|
|
last_item = it
|
|
last_item_y = y
|
|
end
|
|
break
|
|
end
|
|
last_item = it
|
|
last_item_y = y
|
|
end
|
|
|
|
view:set_selection(last_item, last_item_y)
|
|
end,
|
|
|
|
["treeview:open"] = function()
|
|
local item = view.selected_item
|
|
if not item then return end
|
|
if item.type == "dir" then
|
|
view:toggle_expand()
|
|
else
|
|
core.try(function()
|
|
if core.last_active_view and core.active_view == view then
|
|
core.set_active_view(core.last_active_view)
|
|
end
|
|
local doc_filename = core.normalize_to_project_dir(item.abs_filename)
|
|
core.root_view:open_doc(core.open_doc(doc_filename))
|
|
end)
|
|
end
|
|
end,
|
|
|
|
["treeview:deselect"] = function()
|
|
view.selected_item = nil
|
|
end,
|
|
|
|
["treeview:select"] = function()
|
|
view:set_selection(view.hovered_item)
|
|
end,
|
|
|
|
["treeview:select-and-open"] = function()
|
|
if view.hovered_item then
|
|
view:set_selection(view.hovered_item)
|
|
command.perform "treeview:open"
|
|
end
|
|
end,
|
|
|
|
["treeview:collapse"] = function()
|
|
if view.selected_item then
|
|
if view.selected_item.type == "dir" and view.selected_item.expanded then
|
|
view:toggle_expand(false)
|
|
else
|
|
local parent_item, y = view:get_parent(view.selected_item)
|
|
if parent_item then
|
|
view:set_selection(parent_item, y)
|
|
end
|
|
end
|
|
end
|
|
end,
|
|
|
|
["treeview:expand"] = function()
|
|
view:toggle_expand(true)
|
|
end,
|
|
})
|
|
|
|
|
|
local function treeitem() return view.hovered_item or view.selected_item end
|
|
|
|
|
|
command.add(
|
|
function()
|
|
return treeitem() ~= nil
|
|
and (
|
|
core.active_view == view or core.active_view == menu
|
|
or (view.toolbar and core.active_view == view.toolbar)
|
|
-- sometimes the context menu is shown on top of statusbar
|
|
or core.active_view == core.status_view
|
|
)
|
|
end, {
|
|
["treeview:delete"] = function()
|
|
local filename = treeitem().abs_filename
|
|
local relfilename = treeitem().filename
|
|
local file_info = system.get_file_info(filename)
|
|
local file_type = file_info.type == "dir" and "Directory" or "File"
|
|
-- Ask before deleting
|
|
local opt = {
|
|
{ font = style.font, text = "Yes", default_yes = true },
|
|
{ font = style.font, text = "No" , default_no = true }
|
|
}
|
|
core.nag_view:show(
|
|
string.format("Delete %s", file_type),
|
|
string.format(
|
|
"Are you sure you want to delete the %s?\n%s: %s",
|
|
file_type:lower(), file_type, relfilename
|
|
),
|
|
opt,
|
|
function(item)
|
|
if item.text == "Yes" then
|
|
if file_info.type == "dir" then
|
|
local deleted, error, path = common.rm(filename, true)
|
|
if not deleted then
|
|
core.error("Error: %s - \"%s\" ", error, path)
|
|
return
|
|
end
|
|
else
|
|
local removed, error = os.remove(filename)
|
|
if not removed then
|
|
core.error("Error: %s - \"%s\"", error, filename)
|
|
return
|
|
end
|
|
end
|
|
core.log("Deleted \"%s\"", filename)
|
|
end
|
|
end
|
|
)
|
|
end
|
|
})
|
|
|
|
|
|
command.add(function() return treeitem() ~= nil end, {
|
|
["treeview:rename"] = function()
|
|
local old_filename = treeitem().filename
|
|
local old_abs_filename = treeitem().abs_filename
|
|
core.command_view:set_text(old_filename)
|
|
core.command_view:enter("Rename", function(filename)
|
|
filename = core.normalize_to_project_dir(filename)
|
|
local abs_filename = core.project_absolute_path(filename)
|
|
local res, err = os.rename(old_abs_filename, abs_filename)
|
|
if res then -- successfully renamed
|
|
for _, doc in ipairs(core.docs) do
|
|
if doc.abs_filename and old_abs_filename == doc.abs_filename then
|
|
doc:set_filename(filename, abs_filename) -- make doc point to the new filename
|
|
doc:reset_syntax()
|
|
break -- only first needed
|
|
end
|
|
end
|
|
core.log("Renamed \"%s\" to \"%s\"", old_filename, filename)
|
|
else
|
|
core.error("Error while renaming \"%s\" to \"%s\": %s", old_abs_filename, abs_filename, err)
|
|
end
|
|
end, common.path_suggest)
|
|
end,
|
|
|
|
["treeview:new-file"] = function()
|
|
if not is_project_folder(treeitem().abs_filename) then
|
|
core.command_view:set_text(treeitem().filename .. "/")
|
|
end
|
|
core.command_view:enter("Filename", function(filename)
|
|
local doc_filename = core.project_dir .. PATHSEP .. filename
|
|
local file = io.open(doc_filename, "a+")
|
|
file:write("")
|
|
file:close()
|
|
core.root_view:open_doc(core.open_doc(doc_filename))
|
|
core.log("Created %s", doc_filename)
|
|
end, common.path_suggest)
|
|
end,
|
|
|
|
["treeview:new-folder"] = function()
|
|
if not is_project_folder(treeitem().abs_filename) then
|
|
core.command_view:set_text(treeitem().filename .. "/")
|
|
end
|
|
core.command_view:enter("Folder Name", function(filename)
|
|
local dir_path = core.project_dir .. PATHSEP .. filename
|
|
common.mkdirp(dir_path)
|
|
core.log("Created %s", dir_path)
|
|
end, common.path_suggest)
|
|
end,
|
|
|
|
["treeview:open-in-system"] = function()
|
|
local hovered_item = treeitem()
|
|
|
|
if PLATFORM == "Windows" then
|
|
system.exec(string.format("start \"\" %q", hovered_item.abs_filename))
|
|
elseif string.find(PLATFORM, "Mac") then
|
|
system.exec(string.format("open %q", hovered_item.abs_filename))
|
|
elseif PLATFORM == "Linux" or string.find(PLATFORM, "BSD") then
|
|
system.exec(string.format("xdg-open %q", hovered_item.abs_filename))
|
|
end
|
|
end
|
|
})
|
|
|
|
keymap.add {
|
|
["ctrl+\\"] = "treeview:toggle",
|
|
["up"] = "treeview:previous",
|
|
["down"] = "treeview:next",
|
|
["left"] = "treeview:collapse",
|
|
["right"] = "treeview:expand",
|
|
["return"] = "treeview:open",
|
|
["escape"] = "treeview:deselect",
|
|
["delete"] = "treeview:delete",
|
|
["ctrl+return"] = "treeview:new-folder",
|
|
["lclick"] = "treeview:select-and-open",
|
|
["mclick"] = "treeview:select",
|
|
["ctrl+lclick"] = "treeview:new-folder"
|
|
}
|
|
|
|
-- Return the treeview with toolbar and contextmenu to allow
|
|
-- user or plugin modifications
|
|
view.toolbar = toolbar_view
|
|
view.contextmenu = menu
|
|
|
|
return view
|